9-year-old girl killed in Back of the Yards mass attack was ‘the princess of the family’ Chicago Sun-TimesMass shooting Chicago: 9-year-old Ariana Molina killed in Back of the Yards shooting near Damen; children among 10 others injured WLS-TV8-year-old girl killed, 10 others injured in Back of the Yards shooting WGN TV ChicagoMass shooting in Chicago leaves girl dead, 10 other people injured in Back of the Yards CBS Chicago